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AD5381 Fiches technique(PDF) 3 Page - Analog Devices |
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AD5381 Fiches technique(HTML) 3 Page - Analog Devices |
3 / 36 page AD5381 Rev. A | Page 3 of 36 GENERAL DESCRIPTION The AD5381 is a complete, single-supply, 40-channel, 12-bit DAC available in a 100-lead LQFP package. All 40 channels have an on-chip output amplifier with rail-to-rail operation. The AD5381 includes a programmable internal 1.25 V/2.5 V, 10 ppm/°C reference, an on-chip channel monitor function that multiplexes the analog outputs to a common MON_OUT pin for external monitoring, and an output amplifier boost mode that allows optimization of the amplifier slew rate. The AD5381 contains a double-buffered parallel interface that features a 20 ns WR pulse width, an SPI/QSPI/MICROWIRE/DSP compatible serial interface with interface speeds in excess of 30 MHz, and an I2C compatible interface that supports a 400 kHz data transfer rate. An input register followed by a DAC register provides double buffering, allowing the DAC outputs to be updated indepen- dently or simultaneously using the LDAC input. Each channel has a programmable gain and offset adjust register that allows the user to fully calibrate any DAC channel. Power consumption is typically 0.25 mA/channel with boost mode disabled. Table 1. Other Low Voltage Single-Supply DACs in Product Family Model Resolution AVDD Range Output Channels Linearity Error (LSB) Package Description Package Option AD5380BST-5 14 Bits 4.5 V to 5.5 V 40 ±4 100-Lead LQFP ST-100 AD5380BST-3 14 Bits 2.7 V to 3.6 V 40 ±4 100-Lead LQFP ST-100 AD5384BBC-5 14 Bits 4.5 V to 5.5 V 40 ±4 100-Lead CSPBGA BC-80 AD5384BBC-3 14 Bits 2.7 V to 3.6 V 40 ±4 100-Lead CSPBGA BC-80 AD5382BST-5 14 Bits 4.5 V to 5.5 V 32 ±4 100-Lead LQFP ST-100 AD5382BST-3 14 Bits 2.7 V to 3.6 V 32 ±4 100-Lead LQFP ST-100 AD5383BST-5 12 Bits 4.5 V to 5.5 V 32 ±1 100-Lead LQFP ST-100 AD5383BST-3 12 Bits 2.7 V to 3.6 V 32 ±1 100-Lead LQFP ST-100 AD5390BST-5 14 Bits 4.5 V to 5.5 V 16 ±3 52-Lead LQFP ST-52 AD5390BCP-5 14 Bits 4.5 V to 5.5 V 16 ±3 64-Lead LFCSP CP-64 AD5390BST-3 14 Bits 2.7 V to 3.6 V 16 ±3 52-Lead LQFP ST-52 AD5390BCP-3 14 Bits 2.7 V to 3.6 V 16 ±3 64-Lead LFCSP CP-64 AD5391BST-5 12 Bits 4.5 V to 5.5 V 16 ±1 52-Lead LQFP ST-52 AD5391BCP-5 12 Bits 4.5 V to 5.5 V 16 ±1 64-Lead LFCSP CP-64 AD5391BST-3 12 Bits 2.7 V to 3.6 V 16 ±1 52-Lead LQFP ST-52 AD5391BCP-3 12 Bits 2.7 V to 3.6 V 16 ±1 64-Lead LFCSP CP-64 AD5392BST-5 14 Bits 4.5 V to 5.5 V 8 ±3 52-Lead LQFP ST-52 AD5392BCP-5 14 Bits 4.5 V to 5.5 V 8 ±3 64-Lead LFCSP CP-64 AD5392BST-3 14 Bits 2.7 V to 3.6 V 8 ±3 52-Lead LQFP ST-52 AD5392BCP-3 14 Bits 2.7 V to 3.6 V 8 ±3 64-Lead LFCSP CP-64 Table 2. 40-Channel, Bipolar Voltage Output DAC Model Resolution Analog Supplies Output Channels Linearity Error Package Package Option AD5379ABC 14 Bits ±11.4 V to ±16.5 V 40 ±3 108-Lead CSPBGA BC-108 |
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